SaunaLife Model S4N Wood-Burning Hot Tub (Fully Assembled)
Experience authentic Nordic bathing with the SaunaLife Model S4N Wood-Burning Hot Tub. Built from thermo-spruce wood with a fiberglass interior, this fully assembled hot tub is designed for durability, performance, and beauty. Featuring a powerful 304 stainless steel wood-burning heater, polished stainless steel chimney, and insulated marine-grade cover, the S4N delivers the ultimate outdoor spa experience with minimal maintenance. Perfect for backyards, cabins, and off-grid retreats.
Features
- Constructed from thermo-spruce wood with fiberglass interior
-
304 stainless steel wood-burning heater for long-lasting performance
- Polished stainless steel chimney with rain cap
- Integrated thermo-spruce steps for safe entry
-
Insulated marine-grade vinyl cover for heat retention and protection
- Built-in drainage system with tap for easy maintenance
- Eco-friendly thermo-spruce—lasts 2X longer than cedar and retains heat better
- Ships fully assembled for easy installation
Includes
- SaunaLife Model S4N Hot Tub (fully assembled)
- 304 Stainless Steel Wood-Burning Heater
- Thermo-Spruce Steps
- Polished Stainless Steel Chimney with Cap
- Insulated Marine-Grade Vinyl Cover
- Integrated Drainage System with Tap
- Installation & Operation Manual
Specifications
| Specification |
Details |
| Exterior Dimensions |
79" diameter × 37" high |
| Interior Dimensions |
71" diameter × 33" deep |
| Water Capacity |
304+ gallons |
| Seating Capacity |
Up to 6 bathers |
| Construction |
Thermo-Spruce wood with fiberglass interior |
| Heater Material |
304 Stainless Steel |
| Cover |
Insulated foam with dark grey marine-grade vinyl |
| Country of Origin |
Northern Europe |
Why Choose Thermo-Spruce?
- Eco-friendly and chemical-free
- Lasts up to 2X longer than cedar
- Superior heat retention (R-value)
- Stable and long-lasting—ideal for water-contact applications
Perfect For
- Remote cabins and off-grid homes
- Backyard hot tub upgrades
- Luxury outdoor spas
- Cold-weather bathing and relaxation
Shipping & Returns
- Ships fully assembled via freight delivery
-
14-day return policy on unused items
Pro Tip: Always cover your hot tub with the insulated vinyl cover when not in use to retain heat, reduce debris, and extend the lifespan of your water and wood construction.
